Duende IdentityServer Description
Identity is a core element of software architecture, and too often, solutions force enterprises to choose between control and commercial readiness. You end up locked into rigid platforms or forced to sacrifice security for flexibility.
Duende IdentityServer eliminates this compromise. We are a secure, standards-compliant identity infrastructure software solution, built natively for .NET by industry leaders and pioneers in security standards, including OpenID Connect, OAuth 2.0, Backend for Frontend (BFF), and FAPI.
We give developers deep extensibility by design—full control over the UI, business logic, and hosting—combined with the commercial and legal clarity and predictable pricing that enterprises in highly regulated industries demand, like financial services and healthcare. If you need to embed compliant, composable identity without sacrificing control or maturity, Duende is the proven secure identity standard. We bring the craft to identity, so you can focus on yours.
Duende IdentityServer Alternatives
Frontegg is a modern Customer Identity and Access Management (CIAM) platform purpose-built for SaaS applications. It gives developers a robust, low-code toolkit to implement advanced identity features like multi-factor authentication (MFA), single sign-on (SSO), passwordless login, and role-based access control (RBAC) without spending weeks wiring up custom flows.
Designed with developers in mind, Frontegg supports rapid integration via SDKs and APIs for Node.js, React, Python, and more. It includes built-in support for OpenID Connect, SAML, OAuth2, and Webhooks, and ships with pre-configured components for login, signup, user management, and organization hierarchies. Whether you're building multi-tenant apps, complex subscription logic, or entitlement enforcement, Frontegg scales with you.
Beyond the initial integration, Frontegg offloads identity maintenance from engineering by enabling non-technical teams to manage identity-related tasks through a secure admin portal. Product, Infosec, and Customer Success teams can enforce security policies, manage users, configure auth flows, and respond to customer needs without dev involvement.
Security teams can monitor and enforce identity compliance standards through real-time dashboards and built-in audit trails. Frontegg also ensures continuous updates to identity protocols, so developers don't have to worry about chasing evolving standards.
Frontegg reduces developer toil, shortens go-to-market timelines, and keeps engineering focused on high-impact product work. All while maintaining the security, scalability, and flexibility required by modern SaaS platforms.
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Auth0 takes a modern approach to Identity and enables organizations to provide secure access to any application, for any user. Auth0 is highly customizable, and simple yet flexible. Safeguarding billions of login transactions each month, Auth0 delivers convenience, privacy, and security so customers can focus on innovation.
With Auth0, you can rapidly integrate authentication and authorization for web, mobile, and legacy applications, with new Fine Grained Authorization (FGA) that goes beyond role-based access control.
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FusionAuth is the authentication and authorization platform engineered for developers who demand flexibility and control. Built from the ground up to integrate with any stack, every feature — from user registration to MFA and SSO — is exposed via a modern, well-documented API.
Support for every major identity protocol is included out of the box: OIDC, SAML, OAuth2, JWT, passwordless login, social sign-on, and more. Whether you’re building a greenfield app or retrofitting auth into a legacy system, FusionAuth adapts to your use case — not the other way around.
Need compliance? FusionAuth helps you meet GDPR, HIPAA, and COPPA standards quickly and reliably.
Deploy it your way: install on Linux, Windows, macOS, Docker, or Kubernetes — or go with FusionAuth Cloud, our managed SaaS hosting. No black boxes. No vendor lock-in. Just powerful, customizable auth that works the way you do.
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Cisco Duo
Secure your workforce with powerful, simple access security. We are Cisco Duo. Our modern access security system is designed to protect all users, devices, applications, so you can focus on what you do best. Secure access for all users and devices, in any environment, from any location. You will enjoy the peace of mind that only total device visibility and trust can provide. A SaaS solution that natively protects all applications and is easy to deploy, scaleable and quick to respond to threats. Duo's access security protects all applications from compromised credentials and devices. It also provides comprehensive coverage that helps you meet compliance requirements. Duo integrates natively with applications to provide flexible, user friendly security that is easy to implement and manage. It's a win-win-win for administrators, users, and IT staff. Multi-factor authentication, dynamic device trust and adaptive authentication are key components of your zero-trust journey. Secure SSO is also a part of the mix.
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Pricing
Pricing Starts At:
Free plan
Pricing Information:
Whether you're testing for development or personal projects, or building a full-blown enterprise identity solution, Duende has a plan to fit your needs.
Free Version:
Yes
Free Trial:
Yes
Company Details
Company:
Duende Software
Year Founded:
2009
Headquarters:
United States
Website:
duendesoftware.com
Media
Duende IdentityServer
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Product Details
Platforms
Windows
On-Premises
Types of Training
Training Docs
Live Training (Online)
Webinars
Training Videos
Customer Support
Online Support
Duende IdentityServer Features and Options
Authentication Software
Biometric
Credential Management
Knowledge-Based Authentication
Mobile Authentication
Multifactor Authentication
Out-of-Band Authentication
Policy Management
Self Service Portal
Single Sign On
Social Sign On
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